#!groovy

// RANCHER_VERSION resolution is first via Jenkins Build Parameter RANCHER_VERSION fed in from console,
// then from $DOCKER_TRIGGER_TAG which is sourced from the Docker Hub Jenkins plugin webhook.

def rancher_version() {
  try { if ('' != RANCHER_VERSION) { return RANCHER_VERSION } }
  catch (MissingPropertyException e) {}

  try { return DOCKER_TRIGGER_TAG }
  catch (MissingPropertyException e) {}

  echo  'Neither RANCHER_VERSION nor DOCKER_TRIGGER_TAG have been specified!'
  error()
}

def lastBuildResult() {
 def previous_build = currentBuild.getPreviousBuild()
  if ( null != previous_build ) { return previous_build.result } else { return 'UNKNOWN' }
}

def via_webhook() {
  try {
    def foo = DOCKER_TRIGGER_TAG
    return true
  } catch(MissingPropertyException) {
    return false
  }
}

// Filter out Docker Hub tags like 'latest', 'master', 'enterprise'.
// Just want things like v1.2*
def branch = "v2.1"
def rancher_version = rancher_version()
def String rancher_version_regex = "^v[\\d]\\.[\\d]\\.[\\d][\\-rc\\d]+\$"

if ( true == via_webhook() && (!(rancher_version ==~ rancher_version_regex)) ) {
  println("Received RANCHER_VERSION \'${rancher_version}\' via webhook which does not match regex \'${rancher_version_regex}\'.")
  println("** This will **not** result in a pipeline run.")
  currentBuild.result = lastBuildResult()
} else {
  if (rancher_version.startsWith("v2.2") || rancher_version == "master") {
    branch = "master"
  }
  if (env.BRANCH) {
    branch = "${BRANCH}"
  }
  try {
    node {
      def rootPath = "/src/rancher-validation/"
      def setupContainer = "${JOB_NAME}${env.BUILD_NUMBER}_setup"
      def setupContainer2 = "${JOB_NAME}${env.BUILD_NUMBER}_setup2"
      def deleteContainer = "${JOB_NAME}${env.BUILD_NUMBER}_delete"
      def deleteContainer2 = "${JOB_NAME}${env.BUILD_NUMBER}_delete2"

      def deployPytestOptions = "-k test_deploy_rancher_server"

      def deletePytestOptions = "-k test_delete_rancher_server"

      def setupResultsOut = "setup-results.xml"
      def setupResultsOut2 = "setup-results-2.xml"
      def deleteResultsOut = "delete-results.xml"
      def deleteResultsOut2 = "delete-results-2.xml"

      def imageName = "rancher-validation-${JOB_NAME}${env.BUILD_NUMBER}"
      def testsDir = "tests/v3_api/"

      def envFile = ".env"
      def rancherConfig = "rancher_env.config"

      def CATTLE_TEST_URL_2 = ""
      def ADMIN_TOKEN_2 = ""

      wrap([$class: 'AnsiColorBuildWrapper', 'colorMapName': 'XTerm', 'defaultFg': 2, 'defaultBg':1]) {
        println "Branch: ${branch}"
        stage('Checkout') {
            deleteDir()
            checkout([
                      $class: 'GitSCM',
                      branches: [[name: "*/${branch}"]],
                      extensions: scm.extensions + [[$class: 'CleanCheckout']],
                      userRemoteConfigs: scm.userRemoteConfigs
                    ])
        }

        dir ("tests/validation") {
          stage('Configure and Build') {
            if (env.AWS_SSH_PEM_KEY && env.AWS_SSH_KEY_NAME) {
              dir(".ssh") {
                def decoded = new String(AWS_SSH_PEM_KEY.decodeBase64())
                writeFile file: AWS_SSH_KEY_NAME, text: decoded
              }
            }
            sh "./tests/v3_api/scripts/configure.sh"
            sh "./tests/v3_api/scripts/build.sh"
          }
          try {
            stage('Deploy Rancher server 1') {
              try {
                // deploy rancher server
                sh "docker run --name ${setupContainer} -t --env-file ${envFile} " +
                  "${imageName} /bin/bash -c \'export RANCHER_SERVER_VERSION=${rancher_version} && " +
                  "pytest -v -s --junit-xml=${setupResultsOut} " +
                  "${deployPytestOptions} ${testsDir}\'"

                // copy file containing CATTLE_TEST_URL & ADMIN_TOKEN and load into environment variables
                sh "docker cp ${setupContainer}:${rootPath}${testsDir}${rancherConfig} ."
                load rancherConfig

                CATTLE_TEST_URL_2 = "${CATTLE_TEST_URL}"
                ADMIN_TOKEN_2 = "${ADMIN_TOKEN}"
              } catch(err) {
                echo "Error: " + err
                echo 'Test run had failures. Collecting results...'
                currentBuild.result = 'FAILURE'
              }
            }

            stage('Deploy Rancher server 2') {
              try {
                // deploy rancher server
                sh "docker run --name ${setupContainer2} -t --env-file ${envFile} " +
                  "${imageName} /bin/bash -c \'export RANCHER_SERVER_VERSION=${rancher_version} && " +
                  "pytest -v -s --junit-xml=${setupResultsOut2} " +
                  "${deployPytestOptions} ${testsDir}\'"

                // copy file containing CATTLE_TEST_URL & ADMIN_TOKEN and load into environment variables
                sh "docker cp ${setupContainer2}:${rootPath}${testsDir}${rancherConfig} ."
                load rancherConfig
              } catch(err) {
                echo "Error: " + err
                echo 'Test run had failures. Collecting results...'
                currentBuild.result = 'FAILURE'
              }
            }

            stage('Execute subjobs') {
              try {
                  jobs = [:]
                  println "Branch: ${branch}"
                  params = [ string(name: 'CATTLE_TEST_URL', value: "${CATTLE_TEST_URL}"),
                            string(name: 'ADMIN_TOKEN', value: "${ADMIN_TOKEN}"),
                            string(name: 'RANCHER_SERVER_VERSION', value: "${rancher_version}"), 
                            string(name: 'BRANCH', value: branch) ]

                  params2 = [ string(name: 'CATTLE_TEST_URL', value: "${CATTLE_TEST_URL_2}"),
                              string(name: 'ADMIN_TOKEN', value: "${ADMIN_TOKEN_2}"),
                              string(name: 'RANCHER_SERVER_VERSION', value: "${rancher_version}"),
                              string(name: 'BRANCH', value: branch) ]

                  // Rancher server 1 is used to test RKE clusters
                  jobs["do"] = { build job: 'rancher-v3_ontag_do_provision_api', parameters: params }
                  jobs["ec2"] = { build job: 'rancher-v3_ontag_ec2_provision_api', parameters: params }
                  jobs["az"] = { build job: 'rancher-v3_ontag_az_provision_api', parameters: params }
                  jobs["custom"] = { build job: 'rancher-v3_ontag_custom_provision_api', parameters: params}

                  // Rancher server 2 is used to test GKE, EKS, AKS and Imported clusters
                  jobs["gke"] = { build job: 'rancher-v3_ontag_gke_provision_api', parameters: params2 }
                  jobs["eks"] = { build job: 'rancher-v3_ontag_eks_provision_api', parameters: params2 }
                  jobs["aks"] = { build job: 'rancher-v3_ontag_aks_provision_api', parameters: params2 }
                  jobs["import"] = { build job: 'rancher-v3_ontag_import_provision_api', parameters: params2}

                  parallel jobs
                } catch(err) {
                  echo "Error: " + err
                }
            }

            stage('Delete Rancher Server') {
              if (env.RANCHER_DELETE_SERVER.toLowerCase() == "true") {
                try {
                  sh "docker run --name ${deleteContainer} -t --env-file ${envFile} " +
                  "${imageName} /bin/bash -c \'export CATTLE_TEST_URL=${env.CATTLE_TEST_URL} && " +
                  "export ADMIN_TOKEN=${env.ADMIN_TOKEN} && pytest -v -s --junit-xml=${deleteResultsOut} " +
                  "${deletePytestOptions} ${testsDir}\'"
                } catch(err) {
                  echo "Error: " + err
                }

                try {
                  sh "docker run --name ${deleteContainer2} -t --env-file ${envFile} " +
                  "${imageName} /bin/bash -c \'export CATTLE_TEST_URL=${CATTLE_TEST_URL_2} && " +
                  "export ADMIN_TOKEN=${ADMIN_TOKEN_2} && pytest -v -s --junit-xml=${deleteResultsOut2} " +
                  "${deletePytestOptions} ${testsDir}\'"
                } catch(err) {
                  echo "Error: " + err
                }
              }
            }

            stage('Test Report') {
              // copy and archive test results
              sh "docker cp ${setupContainer}:${rootPath}${setupResultsOut} ."
              sh "docker cp ${setupContainer2}:${rootPath}${setupResultsOut2} ."
              sh "docker cp ${deleteContainer}:${rootPath}${deleteResultsOut} ."
              sh "docker cp ${deleteContainer2}:${rootPath}${deleteResultsOut2} ."
              step([$class: 'JUnitResultArchiver', testResults: "**/${setupResultsOut}"])
              step([$class: 'JUnitResultArchiver', testResults: "**/${setupResultsOut2}"])
              step([$class: 'JUnitResultArchiver', testResults: "**/${deleteResultsOut}"])
              step([$class: 'JUnitResultArchiver', testResults: "**/${deleteResultsOut2}"])
              sh "docker stop ${setupContainer}"
              sh "docker rm -v ${setupContainer}"
              sh "docker stop ${setupContainer2}"
              sh "docker rm -v ${setupContainer2}"
              sh "docker stop ${deleteContainer}"
              sh "docker rm -v ${deleteContainer}"
              sh "docker stop ${deleteContainer2}"
              sh "docker rm -v ${deleteContainer2}"
              sh "docker rmi ${imageName}"
            }
          } catch(err){
            sh "docker stop ${setupContainer}"
            sh "docker rm -v ${setupContainer}"
            sh "docker stop ${setupContainer2}"
            sh "docker rm -v ${setupContainer2}"
            sh "docker stop ${deleteContainer}"
            sh "docker rm -v ${deleteContainer}"
            sh "docker stop ${deleteContainer2}"
            sh "docker rm -v ${deleteContainer2}"
            sh "docker rmi ${imageName}"
          }
        }
      }
    }
  } catch(err) {
    echo "Error: " + err
  }
}